Diversification (marketing strategy)
Diversification is a corporate strategy to enter into or start new products or product lines, new services or new markets, involving substantially different skills, technology and knowledge. Diversification is one of the four main growth strategies defined by Igor Ansoff in the Ansoff Matrix: Ansoff pointed out that a diversification strategy stands apart from the other three strategies.
Source: Wikipedia — Diversification (marketing strategy) (CC BY-SA 4.0)